How severe is CVE-2007-1327?

CVE-2007-1327 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-1327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1327?

CVE-2007-1327 affects Silc Silc-server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-1327 published?

CVE-2007-1327 was published on 2007-03-07 and last updated on 2026-06-16.

CVE-2007-1327

CVE-2007-1327 is a high-severity vulnerability in Silc Silc-server with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Silc Silc-server
Published: 2007-03-07
Last modified: 2026-06-16

Description

The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an invalid HMAC algorithm.

Frequently asked questions

What is CVE-2007-1327?: The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an invalid HMAC algorithm.
How severe is CVE-2007-1327?: CVE-2007-1327 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-1327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1327?: CVE-2007-1327 affects Silc Silc-server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-1327 published?: CVE-2007-1327 was published on 2007-03-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:silc:silc-server:1.0.2:*:*:*:*:*:*:*

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